|
|
Content .. 1111 1112 1113 1114 ..
HAC-88 < DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONING] B24A6 IN-VEHICLE SENSOR Is the inspection result normal? YES >> GO TO 7. NO >> GO TO 2. 2. CHECK IN-VEHICLE SENSOR POWER SUPPLY 1. Turn ignition switch OFF. 2. Disconnect in-vehicle sensor connector. 3. Turn ignition switch ON. 4. Check voltage between in-vehicle sensor harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 5. 3. CHECK IN-VEHICLE SENSOR GROUND CIRCUIT FOR OPEN 1. Turn ignition switch OFF. 2. Disconnect A/C auto amp. connector. 3. Check continuity between in-vehicle sensor harness connector and A/C auto amp harness connector. Is the inspection result normal? YES >> GO TO 4. NO >> Repair harness or connector. 4. CHECK IN-VEHICLE SENSOR Check in-vehicle sensor. Refer to HAC-89, "Component Inspection" Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-129, "Removal and Installation" . NO >> Replace in-vehicle sensor. Refer to HAC-131, "Removal and Installation" . 5. CHECK IN-VEHICLE SENSOR POWER SUPPLY CIRCUIT FOR OPEN 1. Turn ignition switch OFF. 2. Disconnect A/C auto amp. connector. 3. Check continuity between in-vehicle sensor harness connector and A/C auto amp. harness connector. + − Condition Voltage A/C auto amp. Connector Terminal M141 53 Ground Sensor detection − 20 ° C ( − 4 ° F) 3.09 V − 10 ° C (14 ° F) 2.46 V 0 ° C (32 ° F) 1.89 V 10 ° C (50 ° F) 1.41 V 20 ° C (68 ° F) 1.03 V 25 ° C (77 ° F) 0.88 V 30 ° C (86 ° F) 0.75 V 40 ° C (104 ° F) 0.55 V + − Voltage (Approx.) In-vehicle sensor Connector Terminal M85 1 Ground 5 V In-vehicle sensor A/C auto amp. Continuity Connector Terminal Connector Terminal M85 2 M141 63 Existed |